Wearable blind-guiding device based on wireless sensor network and vibration feedback
A technology of wireless sensor and vibration feedback, which is applied in the direction of devices that help people walk, physical therapy, ophthalmology treatment, etc. The effect of wearing complex problems, low power consumption, and easy wearing
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[0022] The present invention is a walking assistance system for visually impaired persons, which includes three parts: a head detection device, a waist detection device and a leg detection device, and the three parts communicate data through a wireless sensor network. The waist detection device is a network gateway, and the head and leg detection devices are network nodes. The head detection device mainly detects obstacles and approaching people or objects in four directions; the waist detection device detects left oblique front, front oblique front, right oblique front, left oblique rear, front rear, and right oblique rear six. The leg detection device is divided into 2 thigh obstacle avoidance devices and 2 calf obstacle avoidance devices, and each device can detect obstacles in three directions: front, back and outside of the leg, so that the whole system can The omni-directional detection of the surroundings of the human body is carried out, and the detection is completed b...
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